Agent: Encyclopedia - Agent

Agent can mean: agent (grammar), a noun carrying out an action agent (law), a person authorised to act on behalf of another person literary agent, a person who represents a writer agent (economics) double agent election agent, a person responsible for a candidate's campaign free agent, a sports player who is out of contract real estate agent secret agent, a spy in science: Agent Orange, a herbicide bio

Adapted from the Wikipedia article "Agent", http://en.wikipedia.org/wiki/Agent, used and available under the GNU Free Documentation License.